Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

cos(π/n)cos(2π/n)cos(3π/n) ... cos(nπ/n) = ?

Author:羅驥韡 (Pegasus Roe)
Topic:Complex Numbers

New Resources

  • 直角坐標平面上的旋轉變換
  • 畫出對稱圖形
  • Earth with coastline
  • 第八周作业
  • 美國國旗 (Codex 版)

Discover Resources

  • P4 分數基礎
  • Conic Sections
  • 線性組合3:正方形
  • 四次函數圖形觀察
  • ggb创作

Discover Topics

  • LCM and GCD
  • Addition
  • Expected Value
  • Difference and Slope
  • Centroid or Barycenter
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®